Modifying to_yaml for hash

gistfile1.txt

class Hash
  # Replacing the to_yaml function so it'll serialize hashes sorted (by their keys)
  # Original function is in /usr/lib/ruby/1.8/yaml/rubytypes.rb
  def to_yaml( opts = {} )
    YAML::quick_emit( object_id, opts ) do |out|
      out.map( taguri, to_yaml_style ) do |map|
        sort.each do |k, v|   # <-- here's my addition (the 'sort')
          map.add( k, v )
        end
      end
    end
  end
end

# Direct use in a template doesn't work:
<%=
class Hash
  # Replacing the to_yaml function so it'll serialize hashes sorted (by their keys)
  # Original function is in /usr/lib/ruby/1.8/yaml/rubytypes.rb
  def to_yaml( opts = {} )
    YAML::quick_emit( object_id, opts ) do |out|
      out.map( taguri, to_yaml_style ) do |map|
        sort.each do |k, v|   # <-- here's my addition (the 'sort')
          map.add( k, v )
        end
      end
    end
  end
end

scope.to_hash.reject{ |k,v| k.to_s =~ /(uptime_seconds|timestamp|free)/ }.to_yaml
%>